Add a multi-valued string property categories to the node and set its value appropriately.

For example, set the property to: af.theme.forest.

Add two folders, less and css, and a file css.txt to the node created in step 1:

less folder: Contains the less variable files in which you define the less variables and less mixins that are used to manage the .css styles.
This folder consists of less variable files, less mixin files, less files defining styles using mixins and variables. And all these less files are then imported in styles.less.

css folder: Contains the .css files in which you define the static styles to be used in the theme.

Less variables files: These are the files, where you define or override the variables that are used in defining CSS styles.

Less mixin files: You can define the functions that accept variables as arguments. The output of these functions are the resultant styles. Use these mixins within different styles, to avoid repeating CSS styles.

Create an Adaptive form using the template created in the previous step. The look and feel of the adaptive form is defined by the theme created in To create an adaptive form theme section of this article.